Measurement E151M1079

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_UL
ε_L:	0.2981
Q²:	0.348 GeV²
W:	1565.0 GeV
E_beam:	2.999 GeV
ε:	0.8936

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	282.0	0.296	0.9337
0.35	282.0	-0.3369	0.7226
0.45	90.0	1.5398	0.8817
0.45	114.0	-1.681	0.6201
0.45	282.0	0.9089	0.8967
0.55	90.0	-0.3588	0.7006
0.55	102.0	-0.3975	0.8153
0.55	114.0	1.4039	0.9153
0.65	90.0	-0.6809	0.5681
0.65	102.0	-0.058	0.7102
0.65	114.0	-0.3465	0.602
0.65	126.0	-1.2125	0.5613
0.65	222.0	0.5168	0.9208
0.65	234.0	2.6667	2.6667
0.65	306.0	0.0466	0.7333
0.75	66.0	0.7878	0.7989
0.75	78.0	-0.7106	0.7705
0.75	90.0	-0.4178	0.6447
0.75	102.0	0.3504	0.6317
0.75	114.0	-0.1286	0.5771
0.75	126.0	-0.2435	0.8689
0.75	198.0	-0.1635	0.8808
0.75	210.0	0.1827	0.7458
0.75	222.0	1.473	0.8132
0.75	234.0	-0.3729	0.6558
0.75	246.0	0.2291	0.6279
0.75	258.0	1.1712	0.781
0.85	54.0	-0.7937	0.5586
0.85	66.0	0.1732	0.6465
0.85	78.0	0.3297	0.6417
0.85	102.0	-1.0023	0.5735
0.85	114.0	-0.8449	0.6239
0.85	198.0	0.3748	0.8069
0.85	210.0	-0.3031	0.5733
0.85	222.0	2.6088	2.6088
0.85	234.0	-0.6674	0.4701
0.85	246.0	1.4737	0.6482
0.85	258.0	0.6121	0.532
0.85	270.0	-0.2155	0.5027
0.85	282.0	-0.5424	0.5894
0.85	294.0	-1.3681	0.4949
0.95	78.0	-0.2005	0.7885
0.95	198.0	1.4589	0.8941
0.95	210.0	0.8292	0.7593
0.95	222.0	1.1305	0.6841
0.95	234.0	0.7532	0.6139
0.95	246.0	0.2794	0.5963
0.95	258.0	-0.0428	0.5478
0.95	270.0	0.9101	0.5782
0.95	282.0	1.0962	0.6736
0.95	294.0	0.4154	0.5268
0.95	306.0	0.1096	0.581
0.95	318.0	-0.3322	0.5278

CLAS Physics Database